최신 CWNA-109 무료덤프 - CWNP Wireless Network Administrator (CWNA)

문제1

Which one of the following channels can be used for VHT transmissions according to the 802.11 specification?

A. 144

B. 6

C. 1

D. 11

정답: A

설명: (DumpTOP 회원만 볼 수 있음)

문제2

When an ACK frame is not received by the transmitting STA, what is assumed?

A. The frame was correctly delivered

B. The frame was not delivered and must be retransmitted

C. The receiver processed the frame, but did not respond with an ACK frame because 802.11w is enabled

D. The receiver is offline

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제3

ABC Company is planning to install a new 802.11ac WLAN, but wants to upgrade its wired infrastructure first to provide the best user experience possible. ABC Company has hired you to perform the RF site survey.
During the interview with the network manager, you are told that the new Ethernet edge switches will support VoIP phones and 802.11 access points, both using 802.3 PoE.
After hearing this information, what immediate concerns do you note?

A. The power budget in the edge switches must be carefully planned and monitored based on the number of supported PoE devices.

B. If the switches are in optimal locations for VoIP phones, they are likely to be suboptimal locations for
802.11 APs

C. The edge Ethernet switches should support Ether-channel to get the best results out of the network.

D. VoIP phones and 802.11 access points should not be powered by the same edge switch due to distortion.

정답: A

설명: (DumpTOP 회원만 볼 수 있음)

문제4

You manage a WLAN with 100 802.11ac access points. All access points are configured to use 80 MHz channels. In a particular BSS, only 40 MHz communications are seen. What is the likely cause of this behavior?

A. The AP is improperly configured to use only 40 MHz of the 80 MHz allocated bandwidth

B. The short guard interval is also enabled

C. All clients implement single spatial stream radios

D. The clients are all 802.11n STAs or lower

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제5

802. 11ax (HE) introduces Resource Units that can be used to allow communications with multiple devices at the same time, on the same channel, in the same BSS. What feature of 802.1 lax provides this functionality?

A. OFDMA

B. TWT

C. 6 GHz support

D. Wi-Fi-LTE

정답: A

설명: (DumpTOP 회원만 볼 수 있음)

문제6

You are a small business wireless network consultant and provide WLAN services for various companies. You receive a call from one of your customers stating that their laptop computers suddenly started experiencing much slower data transfers while connected to the WLAN. This company is located in a multi-tenant office building and the WLAN was designed to support laptops, tablets and mobile phones. What could cause a sudden change in performance for the laptop computers?

A. A few of your customer's users have Bluetooth enabled wireless headsets.

B. The antennas in the laptops have been repositioned.

C. The sky was not as cloudy that day as it typically is and the sun also radiates electromagnetic waves.

D. A new tenant in the building has set their AP to the same RF channel that your customer is using.

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제7

What statement describes the authorization component of a AAA implementation?

A. Verifying that a user is who he says he is.

B. Validating client device credentials against a database.

C. Implementing a WIPS as a full-time monitoring solution to enforce policies.

D. Granting access to specific network services or resources according to a user profile.

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제8

You are reconfiguring an AP to use the short guard interval. How long will the new guard interval duration be after the change?

A. 800 ns

B. 400 ns

C. 104 ms

D. 10 ms

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제9

You are deploying a WLAN with the access points configured for 10 mW of output power on the 2.4 GHz radios and 20 mW of output power on the 5GHz radios. Some semi-directional antennas are also in use. What kind of deployment is described?

A. Residential

B. High density

C. Standard office

D. SOHO

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제10

What frame type is used to reserve the wireless medium for the transmission of high data rate frames that may not be understood by all clients connected to the BSS?

A. PS-Poll

B. Beacon

C. RTS

D. ACK

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

최신 CWNA-109 무료덤프 - CWNP Wireless Network Administrator (CWNA)

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